4Pi
(Redirected from 4pi)
4Pi may refer to:
- IBM System/4 Pi, a family of avionics computers
- 4Pi microscope, a microscope that uses interference and fluorescence computers
- 4×π = 12.56637..., the solid angle of a complete sphere measured in steradians
- Hermetic detector (also called a 4π detector)
This disambiguation page lists articles associated with the same title formed as a letter–number combination.
If an internal link led you here, you may wish to change the link to point directly to the intended article.
If an internal link led you here, you may wish to change the link to point directly to the intended article.